[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Mar 22 21:40:15 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 22 Mar, 2025
IPv4 BGP Table (Global) as seen at USP.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/USP/
Analysis Summary
----------------
BGP routing table entries examined: 977132
Prefixes after maximum aggregation (per Origin AS): 374107
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475715
Number of IPv4 prefixes with a valid ROA: 537499
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 439454
Total ASes present in the Internet Routing Table: 76722
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65790
Origin ASes announcing only one prefix: 26881
Transit ASes present in the Internet Routing Table: 10932
Transit-only ASes present in the Internet Routing Table: 543
Paths with bogon ASNs present in the IPv4 Routing Table: 314
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 73
Max AS path prepend of ASN ( 37447) 69
Prefixes from unregistered ASNs in the Routing Table: 1147
Number of instances of unregistered ASNs: 1152
Number of 32-bit ASNs allocated by the RIRs: 46119
Number of 32-bit ASNs visible in the Routing Table: 37987
Prefixes from 32-bit ASNs in the Routing Table: 199833
Number of bogon 32-bit ASNs visible in the Routing Table: 40
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 507
Number of addresses announced to Internet: 3107584512
Equivalent to 185 /8s, 57 /16s and 250 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 320535
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255283
Total APNIC prefixes after maximum aggregation: 76020
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247106
Unique aggregates announced from the APNIC address blocks: 102533
APNIC Region origin ASes present in the Internet Routing Table: 14536
APNIC Prefixes per ASN: 17.00
APNIC Region origin ASes announcing only one prefix: 4438
APNIC Region transit ASes present in the Internet Routing Table: 1954
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 50
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10047
Number of APNIC addresses announced to Internet: 747945216
Equivalent to 44 /8s, 148 /16s and 189 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-155961
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 289365
Total ARIN prefixes after maximum aggregation: 128534
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 290068
Unique aggregates announced from the ARIN address blocks: 136787
ARIN Region origin ASes present in the Internet Routing Table: 19228
ARIN Prefixes per ASN: 15.09
ARIN Region origin ASes announcing only one prefix: 7035
ARIN Region transit ASes present in the Internet Routing Table: 1982
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5170
Number of ARIN addresses announced to Internet: 1350299904
Equivalent to 80 /8s, 123 /16s and 241 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8,
67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8,
74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8,
100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8,
131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8,
139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8,
148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8,
159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8,
167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8,
184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8,
207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 272999
Total RIPE prefixes after maximum aggregation: 132804
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 271263
Unique aggregates announced from the RIPE address blocks: 173494
RIPE Region origin ASes present in the Internet Routing Table: 28853
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12035
RIPE Region transit ASes present in the Internet Routing Table: 3968
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12321
Number of RIPE addresses announced to Internet: 732351488
Equivalent to 43 /8s, 166 /16s and 204 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8,
81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8,
88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8,
95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8,
185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 123429
Total LACNIC prefixes after maximum aggregation: 29272
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120078
Unique aggregates announced from the LACNIC address blocks: 48924
LACNIC Region origin ASes present in the Internet Routing Table: 11217
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2674
LACNIC Region transit ASes present in the Internet Routing Table: 2472
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9172
Number of LACNIC addresses announced to Internet: 171586048
Equivalent to 10 /8s, 58 /16s and 50 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 34909
Total AfriNIC prefixes after maximum aggregation: 6754
AfriNIC Deaggregation factor: 5.17
Prefixes being announced from the AfriNIC address blocks: 48109
Unique aggregates announced from the AfriNIC address blocks: 13549
AfriNIC Region origin ASes present in the Internet Routing Table: 1915
AfriNIC Prefixes per ASN: 25.12
AfriNIC Region origin ASes announcing only one prefix: 699
AfriNIC Region transit ASes present in the Internet Routing Table: 374
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 73
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet: 105153280
Equivalent to 6 /8s, 68 /16s and 131 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9808 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4263 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2839 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2151 434 193 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 12934 39640 3984 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3600 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
174 3580 8766 959 COGENT-174, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3097 1307 2237 AKAMAI-AS, US
396982 2941 3660 454 GOOGLE-CLOUD-PLATFORM, US
30036 2574 357 363 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7755 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4017 3395 129 AKAMAI-ASN1, NL
9009 3768 325 1952 M247, RO
12389 3001 2303 890 ROSTELECOM-AS, RU
34984 2368 360 584 TELLCOM-AS, TR
212238 2035 145 1495 CDNEXT, GB
8452 1614 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1489 98 747 CLOUVIDER Clouvider - Global ASN, GB
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 11852 3241 582 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2508 539 368 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1067 359 174 Axtel, S.A.B. de C.V., MX
22884 1048 69 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1703 599 30 RAYA-AS, EG
24863 1623 389 16 LINKdotNET-AS, EG
29571 1564 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 863 1083 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 542 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 12934 39640 3984 AMAZON-02, US
8151 11852 3241 582 UNINET, MX
9808 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7755 1714 145 UNI2-AS, ES
7545 6213 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4263 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7155 4174 286 83 VIASAT-SP-BACKBONE, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 11852 11270 UNINET, MX
9808 10327 10239 CHINAMOBILE-CN China Mobile Communications Grou
12479 7755 7610 UNI2-AS, ES
7545 6213 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4263 4238 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN
20940 4017 3888 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/USP/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:16 /10:41 /11:93 /12:303
/13:585 /14:1225 /15:2169 /16:13962 /17:8294 /18:13728
/19:24628 /20:43754 /21:51714 /22:111987 /23:101167 /24:603449
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 6688 7755 UNI2-AS, ES
8151 6054 11852 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2718 3600 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 12934 AMAZON-02, US
30036 2232 2574 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3523 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2326 2:1532 3:598 4:10 5:4575 6:163
7:6 8:1553 9:1 11:172 12:1373 13:342
14:2510 15:351 16:279 17:362 18:916 20:462
21:4 22:188 23:7361 24:3021 25:2 27:2761
29:19 31:3207 32:37 34:79 35:204 36:2401
37:4707 38:8827 39:898 40:154 41:4200 42:1938
43:2559 44:356 45:18443 46:4988 47:288 49:1980
50:1891 51:590 52:1555 54:301 55:1074 56:9
57:253 58:2196 59:1208 60:1169 61:2777 62:2897
63:1835 64:5496 65:2124 66:4626 67:3014 68:1152
69:3966 70:1161 71:621 72:2863 74:2812 75:1657
76:612 77:2700 78:1878 79:1738 80:2190 81:2026
82:2857 83:1391 84:1819 85:3376 86:1039 87:2158
88:1315 89:4327 90:783 91:8321 92:2789 93:2888
94:4009 95:4270 96:1425 97:314 98:1019 99:738
100:71 101:1047 102:3661 103:32161 104:4822 105:748
106:998 107:2618 108:1204 109:4110 110:2225 111:3323
112:2036 113:1782 114:1942 115:2158 116:2039 117:2744
118:2863 119:1955 120:1876 121:1362 122:2745 123:2184
124:1564 125:2853 126:88 128:1582 129:960 130:1286
131:1878 132:780 133:451 134:1529 135:329 136:1277
137:1244 138:2896 139:1615 140:1560 141:1479 142:1821
143:1636 144:1040 145:482 146:2161 147:2098 148:2609
149:2892 150:1239 151:2038 152:2103 153:571 154:7882
155:1617 156:3302 157:1910 158:1258 159:2427 160:3559
161:1953 162:3708 163:1947 164:1689 165:2195 166:1412
167:1884 168:4057 169:794 170:5122 171:1004 172:4476
173:3231 174:919 175:1263 176:3670 177:4694 178:3818
179:2319 180:2584 181:4037 182:3369 183:2052 184:2312
185:21510 186:5050 187:4391 188:4216 189:4181 190:9635
191:1501 192:11186 193:9428 194:7767 195:5555 196:3249
197:3658 198:6095 199:8396 200:8165 201:6272 202:10401
203:10605 204:4523 205:3631 206:4636 207:3476 208:4196
209:5145 210:4564 211:2520 212:4513 213:3749 214:1047
215:48 216:6582 217:3097 218:1327 219:376 220:2070
221:1068 222:720 223:2319
End of report
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